Acoustic emission characteristics of methacrylate-based composite and silorane-based composite during dental restoration according to a variety of C-factor
- Authors
- Park, Jung-Hoon; Gu, Ja-Uk; Choi, Nak-Sam
- Issue Date
- Sep-2017
- Publisher
- KOREAN SOC MECHANICAL ENGINEERS
- Keywords
- Dental composite resin; Acoustic emission; Dental restoration; Configuration factor; Finite element method
- Citation
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.31, no.9, pp.4067 - 4072
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
- Volume
- 31
- Number
- 9
- Start Page
- 4067
- End Page
- 4072
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/9040
- DOI
- 10.1007/s12206-017-0801-1
- ISSN
- 1738-494X
- Abstract
- Acoustic emission (AE) characteristics according to a variety of Configuration factor (C-factor) of methacrylate-based composite resin (Clearfil AP-X, Kuraray) and silorane-based composite resin (Filtek P90, 3M ESPE) during dental restoration were investigated in combination with the Finite element stress analysis (FESA). AE measurement results showed that most micro-cracks occurred within 1 min after the light irradiation started. As the C-factor increased, average cumulative AE hits and average cumulative AE energy increased. Those AE parameters for AP-X with high shrinkage strain were higher than P90 with low shrinkage strain. FESA results showed that the maximum shrinkage stress appeared at the resin/tooth interface on the specimen surface. The stress of AP-X was bigger than that of P90, which coincided with the AE behaviors with increasing C-factor.
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